Title
Involutive Brauer groups of a Krull domain Involutive Brauer groups of a Krull domain
Author
Faculty/Department
Faculty of Sciences. Mathematics and Computer Science
Publication type
article
Publication
New York, N.Y. ,
Subject
Mathematics
Source (journal)
Communications in algebra. - New York, N.Y.
Volume/pages
23(1995) :14 , p. 5269-5295
ISSN
0092-7872
ISI
A1995TK78700007
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
In this text, we introduce and study involutive class groups and Brauer groups of a Krull domain R. We derive some exact sequences, connecting these groups and linking them to classical invariants, thus allowing to calculate them in concrete situations. We provide a geometric interpretation in terms of etale cohomology with respect to the sheaf of square roots of unity on Spec(R), as another useful tool to calculate these invariants.
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